Cut off the dry stuff and keep them on the dry side. It's normal for chrysanth's to die back especially if they are a bit tender. Keep them cool. In spring increase the light and watering,a light feed as well, you'll see the new growth appear fairly quickly. Don't be tempted to think they've died they haven't, they're just dormant. Watch out for any fungal infection as well, if you see some spray with a fungicide as soon as you see it.
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Cut off the dry stuff and keep them on the dry side. It's normal for chrysanth's to die back especially if they are a bit tender. Keep them cool. In spring increase the light and watering,a light feed as well, you'll see the new growth appear fairly quickly. Don't be tempted to think they've died they haven't, they're just dormant. Watch out for any fungal infection as well, if you see some spray with a fungicide as soon as you see it.
thanks for your help dave